Buffalo Police were investigating both a fatal shooting and stabbing, each occurring within about a mile of each other.
The boy needed medical treatment after the alleged incident.
In addition to a prison sentence, Kronert could be forced to pay a $250,000 fine if convicted of the charges against him.
Only some of the items have been recovered.
Deputies with the Chautauqua County Sheriff’s Office made two arrests in relation to an accident in French Creek.
Anyone with information on the shooting is asked to call the confidential police tip line at 847-2255.
The victim was taken to Buffalo General Hospital, where he later died.
A Buffalo organization wants to reduce incarceration rates by connecting potential offenders with the services they need.
When he is sentenced on October 20, Brooks could spend 15 years in jail.
Smith will be sentenced on November 9.
Police say a woman armed with a 12-inch steak knife chased a 67-year-old man in an attempt to stab him around 2:30 p.m. Tuesday.
Irizarry pleaded guilty to manslaughter on the second day of his murder trial in July.
Anyone with information on the man’s identity can call either 847-2255 or 911.